CVE-2026-39824

LOW 3.3

Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.

Vendor	golang.org/x/sys
Product	golang.org/x/sys/windows
Published	May 22, 2026
Last Updated	May 27, 2026

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Affected Versions

golang.org/x/sys / golang.org/x/sys/windows

0 < 0.44.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

go.dev: https://go.dev/issue/78916 go.dev: https://go.dev/cl/770080 groups.google.com: https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg pkg.go.dev: https://pkg.go.dev/vuln/GO-2026-5024